Results 11 to 20 of about 4,730,267 (305)

Reverse engineering reverse mathematics [PDF]

open access: yesAnnals of Pure and Applied Logic, 2013
Abstract An important open problem in Reverse Mathematics (Montalban, 2011 [16] ; Simpson, 2009 [25] ) is the reduction of the first-order strength of the base theory from I Σ 1 to I Δ 0 + exp . The system ERNA, a version of Nonstandard Analysis based on the system I Δ 0 + exp , provides a partial ...
Sanders, Sam
core   +3 more sources

Reversible catalysis [PDF]

open access: yesNature Reviews Chemistry, 2021
We describe as 'reversible' a bidirectional catalyst that allows a reaction to proceed at a significant rate in response to even a small departure from equilibrium, resulting in fast and energy-efficient chemical transformation. Examining the relation between reaction rate and thermodynamic driving force is the basis of electrochemical investigations ...
Vincent Fourmond   +2 more
openaire   +3 more sources

Reconstructing Pollutant Dispersion Information by Defining Exhaust Source Parameters with Inverse Model

open access: yesProceedings, 2022
The paper presents a solution of reconstructing the pollutant exhaust information that includes the rate of the exhaust and unknown parameters associated with pollutant dispersion required for the rate identification.
Arkadiy Dantsker, Patrick O’Brian
doaj   +1 more source

Exogenous Citrulline and Glutamine Contribute to Reverse the Resistance of Salmonella to Apramycin

open access: yesFrontiers in Microbiology, 2021
Antibiotic resistance is an increasing concern for human and animal health worldwide. Recently, the concept of reverting bacterial resistance by changing the metabolic state of antibiotic-resistant bacteria has emerged. In this study, we investigated the
Yan Yong   +9 more
doaj   +1 more source

The modern reverse shoulder arthroplasty and an updated systematic review for each complication: part I

open access: yesJSES International, 2020
Background: Globally, reverse shoulder arthroplasty (RSA) has moved away from the Grammont design to modern prosthesis designs. The purpose of this 2-part study was to systematically review each of the most common complications of RSA, limiting each ...
Sarav S. Shah, MD   +24 more
doaj   +1 more source

Reverse Atrial Remodeling in Heart Failure With Recovered Ejection Fraction

open access: yesJournal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2023
Background Heart failure with recovered ejection fraction (HFrecEF) has been a newly recognized entity since 2020. However, the concept has primarily focused on left ventricular ejection fraction improvement, with less focus on the recovery of the left ...
Yuxi Sun   +9 more
doaj   +1 more source

Reversing and modulating cellular senescence in beta cells, a new field of opportunities to treat diabetes

open access: yesFrontiers in Endocrinology, 2023
Diabetes constitutes a world-wide pandemic that requires searching for new treatments to halt its progression. Cellular senescence of pancreatic beta cells has been described as a major contributor to development and worsening of diabetes. The concept of
Maria F. Rubin de Celis   +1 more
doaj   +1 more source

THREE UNPUBLISHED ROMAN & BYZANTINE COINS FROM OXYRHYNCHUS [PDF]

open access: yesJournal of the General Union of Arab Archaeologists, 2018
(En) This Article betakes Studying & Publishing- to the first time- three Coins, two Roman and a single Byzantine, from the excavated material of Season 2015 of the Spanish Expedition in El-Bahnasa (ex.
Mona Gabr Hussein
doaj   +1 more source

Temperature conditions in the ventilation shaft lining and the space behind lining when reversing the main ventilation unit in winter [PDF]

open access: yesE3S Web of Conferences, 2020
Using mathematical modeling methods, the authors studied the temperature changes in the ventilation shaft lining and the space behind lining under an alternating thermal effect of the ventilation flow (reversing the main ventilation unit in winter).
Kurilko Aleksandr, Solovev Dmitrii
doaj   +1 more source

Bit-Level Automotive Controller Area Network Message Reverse Framework Based on Linear Regression

open access: yesSensors, 2022
Modern intelligent and networked vehicles are increasingly equipped with electronic control units (ECUs) with increased computing power. These electronic devices form an in-vehicle network via the Controller Area Network (CAN) bus, the de facto standard ...
Zixiang Bi   +4 more
doaj   +1 more source

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